Finding the Fourth Proportional to 2,910.89, 4,363.23 and 1,153.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.89 : 4,363.23 = 1,153.46 : x
2. Step 2: Convert to fraction form
   2,910.89/4,363.23 = 1,153.46/x
3. Step 3: Cross multiply
   2,910.89x = 4,363.23 × 1,153.46
4. Step 4: Simplify right side
   2,910.89x = 5,032,811.28
5. Step 5: Solve for x
   x = 5,032,811.28/2,910.89
6. Step 6: Final answer
   x = 1,728.96